hush: micro-optimization in new variable code

git-svn-id: svn://busybox.net/trunk/busybox@18689 69ca8d6d-28ef-0310-b511-8ec308f3f277

1 files changed, 5 insertions, 5 deletions

diff --git a/shell/hush.c b/shell/hush.c
index f40284cbb..1c7cddd36 100644
--- a/shell/hush.c
+++ b/shell/hush.c
@@ -2703,12 +2703,13 @@ static int set_local_var(char *str, int flg_export)
                 return -1;
         }
 
-        name_len = value - str;
+        name_len = value - str + 1; /* including '=' */
         cur = top_var; /* cannot be NULL (we have HUSH_VERSION and it's RO) */
         while (1) {
-                if (strncmp(cur->varstr, str, name_len) != 0 || cur->varstr[name_len] != '=') {
+                if (strncmp(cur->varstr, str, name_len) != 0) {
                         if (!cur->next) {
-                                /* cur points to last var in linked list */
+                                /* Bail out. Note that now cur points
+                                 * to last var in linked list */
                                 break;
                         }
                         cur = cur->next;
@@ -2837,8 +2838,7 @@ static int setup_redirect(struct p_context *ctx, int fd, redir_type style,
                 /* We do _not_ try to open the file that src points to,
                  * since we need to return and let src be expanded first.
                  * Set ctx->pending_redirect, so we know what to do at the
-                 * end of the next parsed word.
-                 */
+                 * end of the next parsed word. */
                 ctx->pending_redirect = redir;
         }
         return 0;